1. Click red button of crane. Second click so the drips fall on the foodbox = fight2. click compressor, red brick and cement above.3. Click telephone and the middle man in blue pants.4. Click the guys on the left and the tube of the ingenieur5. Click nails and the red-white panel on the left.6. Click blue water pipe and when dragged click the pipe on the reservoir.7. click falling water and the red button.8. click traffic cones and the cementmixer truck.Source: Escape Games 24